Home / 204,452.15-306,809.45-99,213.71

Finding the Fourth Proportional to 204,452.15, 306,809.45 and 99,213.71

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Solution

The fourth proportional to 204,452.15, 306,809.45 and 99,213.71 is: 148,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,452.15 : 306,809.45 = 99,213.71 : x
  2. Step 2: Convert to fraction form
    204,452.15/306,809.45 = 99,213.71/x
  3. Step 3: Cross multiply
    204,452.15x = 306,809.45 × 99,213.71
  4. Step 4: Simplify right side
    204,452.15x = 30,439,703,586.26
  5. Step 5: Solve for x
    x = 30,439,703,586.26/204,452.15
  6. Step 6: Final answer
    x = 148,884.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.